melatonina
/melatoˈnina/feminine
Melatonin in Spanish is melatonina.
Meaning: hormone (noun)
How does it change in a sentence?
The noun is feminine, so it is preceded by the feminine article la (e.g., la melatonina). Note that the Spanish word ends in -ina instead of the English -ine.
How do you pronounce it?
/melatoˈnina/
Did you know?
- If you ask a Spanish-speaking pharmacist for pastillas para dormir, they might hand you melatonin, but they could also give you a much stronger sedative. The phrase literally means 'pills to sleep' and is a broad umbrella term for any sleep aid.
- In some Spanish-speaking cultures, natural alternatives to melatonina, such as tila or valeriana, are mentioned as frequently as the hormone itself when discussing sleep aids.
- In many Spanish-speaking medical contexts, a doctor might refer to melatonin as la hormona del sueño, or 'the sleep hormone', rather than using its technical name.
Examples in context
- La melatonina ayuda a regular los ritmos circadianos.Melatonin helps to regulate circadian rhythms.This sentence is useful for showing how melatonina helps regulate circadian rhythms.Tatoeba #11800938 by Seael, translation #12858900 by mexicanhere
- La melatonina es una hormona producida por la glándula pineal.Melatonin is a hormone produced by the pineal gland.
- La melatonina ayuda a dormir mejor.Melatonin helps to sleep better.
- No tomes melatonina antes de conducir.Do not take melatonin before driving.
Example conversation
Mateo and Sofía are talking about their sleep habits.
- MateoNo puedo dormir bien últimamente.I can't sleep well lately.
- SofíaDeberías probar la melatonina, Mateo.You should try melatonin, Mateo.
- Mateo¿Es segura de tomar?Is it safe to take?
- SofíaSí, pero consulta con tu médico.Yes, but consult with your doctor.
Sources
- Wiktionary, “melatonin” translations and entries melatonina, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.